PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-10:28:00
G02     289.5          80.9                5.7 +/-    0.58       5.7 +/-    0.58  0.040 / 0.030
G05     169.7          24.0                5.5 +/-    0.95      10.9 +/-    0.95  0.040 / 0.030
G06     39.7           49.0                4.7 +/-    0.86       6.0 +/-    0.86  0.150 / 0.200
G12     319.4          62.7                5.0 +/-    0.95       5.5 +/-    0.95  0.190 / 0.190
G17     80.5           13.9                5.7 +/-    2.57      14.6 +/-    2.57  0.220 / 0.140
G19     65.4           34.4                5.9 +/-    2.04       9.4 +/-    2.04  0.240 / 0.100
G24     230.4          27.3                6.3 +/-    1.82      11.7 +/-    1.82  0.130 / 0.120
G25     317.4          26.6                4.5 +/-    2.10       8.6 +/-    2.10  0.100 / 0.110